OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

(expand_increment): If pre-incrementing a promoted variable, don't

Browse Source 
adjust OP0 since the result won't be used.

From-SVN: r7655
This commit is contained in:
Richard Kenner 1994-07-05 18:27:27 -04:00
parent e33477bed7
commit 3e073e7297
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/expr.c
View File

@ -8042,7 +8042,12 @@ expand_increment (exp, post)
shared (it was made by the expand_expr call above). */
if (GET_CODE (op0) == SUBREG && SUBREG_PROMOTED_VAR_P (op0))
SUBREG_REG (op0) = copy_to_reg (SUBREG_REG (op0));
{
if (post)
SUBREG_REG (op0) = copy_to_reg (SUBREG_REG (op0));
else
bad_subreg = 1;
}
else if (GET_CODE (op0) == SUBREG
&& GET_MODE_BITSIZE (GET_MODE (op0)) < BITS_PER_WORD)
{